40688336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{983}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 85411200

約数和(自身を除く): 44722864

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 983, 1592, 1966, 2587, 3184, 3932, 5174, 7864, 10348, 12779, 15728, 20696, 25558, 41392, 51116, 102232, 195617, 204464, 391234, 782468, 1564936, 2543021, 3129872, 5086042, 10172084, 20344168, 40688336]

約数ペア:

[(1, 40688336), (2, 20344168), (4, 10172084), (8, 5086042), (13, 3129872), (16, 2543021), (26, 1564936), (52, 782468), (104, 391234), (199, 204464), (208, 195617), (398, 102232), (796, 51116), (983, 41392), (1592, 25558), (1966, 20696), (2587, 15728), (3184, 12779), (3932, 10348), (5174, 7864)]